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Finding the Fourth Proportional to 552,092.97, 761,795.03 and 310,343.37

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Solution

The fourth proportional to 552,092.97, 761,795.03 and 310,343.37 is: 428,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,092.97 : 761,795.03 = 310,343.37 : x
  2. Step 2: Convert to fraction form
    552,092.97/761,795.03 = 310,343.37/x
  3. Step 3: Cross multiply
    552,092.97x = 761,795.03 × 310,343.37
  4. Step 4: Simplify right side
    552,092.97x = 236,418,035,307.73
  5. Step 5: Solve for x
    x = 236,418,035,307.73/552,092.97
  6. Step 6: Final answer
    x = 428,221.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.